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  • Title: Postoperative peritoneal adhesions. A study of the mechanisms.
    Author: Ryan GB, Grobéty J, Majno G.
    Journal: Am J Pathol; 1971 Oct; 65(1):117-48. PubMed ID: 5315369.
    Abstract:
    THIS PAPER DESCRIBES AN EXPERIMENTAL MODEL OF PERITONEAL ADHESIONS, IN THE RAT, BASED ON TWO RELATIVELY MINOR ACCIDENTS THAT MAY OCCUR DURING ABDOMINAL SURGERY IN MAN: drying of the serosa, and bleeding. Drying alone had little effect; drying plus bleeding consistently produced adhesions to the dried area. Fresh blood alone produced adhesions between the three membranous structures [omentum and pelvic fat bodies (PFBs)]. The formation of persistent adhesions required whole blood. Preformed clots above a critical size induced adhesions even without previous serosal injury; they were usually captured by the omentum and PFBs. If all three membranous structures were excised, the clots caused visceral adhesions. The protective role of the omentum, its structure, and the mechanism of omental adhesions, are discussed. These findings are relevant to the pathogenesis of post-operative adhesions in man.
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